Sensing elements - PENN Controls - LIT-125045 - A19 - Electromechanical Temperature Control - A19 Remote Bulb Control

A19 Series Temperature Control Without Enclosure Product Bulletin

Product name
A19 Remote Bulb Control
Document type
Product Bulletin
Document number
LIT-125045
Revision date
2023-08-09

Standard A19 temperature controls without enclosure come with a 3/8 in. (9.5 mm) diameter bulb and a 6 ft (1.8 m) capillary. The following optional constructions are available on quantity orders at extra cost:

  • A capillary longer than 6 ft
  • Bulbs with the following outer diameters: 3/16 in. (4.8 mm), 1/4 in. (6.4 mm), or 5/16 in.(7.9 mm)
  • Coil bulbs for low air movement applications

The following bulb style is available for clamp-on or closed tank applications.

Figure 1. Style 1 swaged bulb with support tube

The following bulb wells are available for applications where you can remove a temperature bulb without draining the tank.

Figure 2. Bulb well for liquid immersion applications
Table 1. Bulb well assembly dimensions
Part number Dimensions
A, in. (mm) B, in. (mm)
WEL14A-602R 4.94 125 1.81 46
WEL14A-603R 5.81 148
WEL16A-601R 2.81 71